171 lines
4.5 KiB
C
171 lines
4.5 KiB
C
/****************************************************************************
|
|
* libs/libc/libc.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __LIBS_LIBC_LIBC_H
|
|
#define __LIBS_LIBC_LIBC_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
#include <semaphore.h>
|
|
|
|
#include <nuttx/lib/lib.h>
|
|
#include <nuttx/streams.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* This configuration directory is used in environment variable processing
|
|
* when we need to reference the user's home directory. There are no user
|
|
* directories in NuttX so, by default, this always refers to the root
|
|
* directory.
|
|
*/
|
|
|
|
#ifndef CONFIG_LIBC_HOMEDIR
|
|
# define CONFIG_LIBC_HOMEDIR "/"
|
|
#endif
|
|
|
|
#define LIB_BUFLEN_UNKNOWN INT_MAX
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/* Defined in lib_streamsem.c */
|
|
|
|
#ifdef CONFIG_FILE_STREAM
|
|
void lib_stream_semtake(FAR struct streamlist *list);
|
|
void lib_stream_semgive(FAR struct streamlist *list);
|
|
#endif
|
|
|
|
/* Defined in lib_dtoa.c */
|
|
|
|
#ifdef CONFIG_LIBC_FLOATINGPOINT
|
|
FAR char *__dtoa(double d, int mode, int ndigits, FAR int *decpt,
|
|
FAR int *sign, FAR char **rve);
|
|
#endif
|
|
|
|
/* Defined in lib_fopen.c */
|
|
|
|
int lib_mode2oflags(FAR const char *mode);
|
|
|
|
/* Defined in lib_libfwrite.c */
|
|
|
|
ssize_t lib_fwrite(FAR const void *ptr, size_t count, FAR FILE *stream);
|
|
|
|
/* Defined in lib_libfread.c */
|
|
|
|
ssize_t lib_fread(FAR void *ptr, size_t count, FAR FILE *stream);
|
|
|
|
/* Defined in lib_libfgets.c */
|
|
|
|
FAR char *lib_fgets(FAR char *buf, size_t buflen, FILE *stream,
|
|
bool keepnl, bool consume);
|
|
|
|
/* Defined in lib_libfflush.c */
|
|
|
|
ssize_t lib_fflush(FAR FILE *stream, bool bforce);
|
|
|
|
/* Defined in lib_rdflush.c */
|
|
|
|
int lib_rdflush(FAR FILE *stream);
|
|
|
|
/* Defined in lib_wrflush.c */
|
|
|
|
int lib_wrflush(FAR FILE *stream);
|
|
|
|
/* Defined in lib_libgetbase.c */
|
|
|
|
int lib_getbase(FAR const char *nptr, FAR const char **endptr);
|
|
|
|
/* Defined in lib_skipspace.c */
|
|
|
|
void lib_skipspace(FAR const char **pptr);
|
|
|
|
/* Defined in lib_isbasedigit.c */
|
|
|
|
bool lib_isbasedigit(int ch, int base, FAR int *value);
|
|
|
|
/* Defined in lib_checkbase.c */
|
|
|
|
int lib_checkbase(int base, FAR const char **pptr);
|
|
|
|
/* Defined in lib_expi.c */
|
|
|
|
#ifdef CONFIG_LIBM
|
|
float lib_expif(size_t n);
|
|
double lib_expi(size_t n);
|
|
#endif
|
|
|
|
/* Defined in lib_libsqrtapprox.c */
|
|
|
|
#ifdef CONFIG_LIBM
|
|
float lib_sqrtapprox(float x);
|
|
#endif
|
|
|
|
/* Defined in lib_parsehostfile.c */
|
|
|
|
#ifdef CONFIG_NETDB_HOSTFILE
|
|
struct hostent;
|
|
ssize_t lib_parse_hostfile(FAR FILE *stream, FAR struct hostent *host,
|
|
FAR char *buf, size_t buflen);
|
|
#endif
|
|
|
|
#ifndef CONFIG_DISABLE_ENVIRON
|
|
int lib_restoredir(void);
|
|
#endif
|
|
|
|
/* Defined in lib_cxx_initialize.c */
|
|
|
|
void lib_cxx_initialize(void);
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __LIBS_LIBC_LIBC_H */
|